The utilization of certain prevailing institutionalized practices in the promotion of hygiene and sanitation projects in Anao-aon community school [microform]
| Autore principale: | |
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| Natura: | Visual Material | 
| Lingua: | English | 
| Pubblicazione: | Quezon City
          Photoduplication Service. University of the Philippines Library
    
        1976. | 
| Soggetti: |